git-server/routers/admin/admin.go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package admin

import (
	"fmt"
	"runtime"
	"strings"
	"time"

	"github.com/codegangsta/martini"

	"github.com/gogits/gogs/models"
	"github.com/gogits/gogs/modules/base"
	"github.com/gogits/gogs/modules/middleware"
)

var sysStatus struct {
	NumGoroutine int

	// General statistics.
	MemAllocated string // bytes allocated and still in use
	MemTotal     string // bytes allocated (even if freed)
	MemSys       string // bytes obtained from system (sum of XxxSys below)
	Lookups      uint64 // number of pointer lookups
	MemMallocs   uint64 // number of mallocs
	MemFrees     uint64 // number of frees

	// Main allocation heap statistics.
	HeapAlloc    string // bytes allocated and still in use
	HeapSys      string // bytes obtained from system
	HeapIdle     string // bytes in idle spans
	HeapInuse    string // bytes in non-idle span
	HeapReleased string // bytes released to the OS
	HeapObjects  uint64 // total number of allocated objects

	// Low-level fixed-size structure allocator statistics.
	//	Inuse is bytes used now.
	//	Sys is bytes obtained from system.
	StackInuse  string // bootstrap stacks
	StackSys    string
	MSpanInuse  string // mspan structures
	MSpanSys    string
	MCacheInuse string // mcache structures
	MCacheSys   string
	BuckHashSys string // profiling bucket hash table
	GCSys       string // GC metadata
	OtherSys    string // other system allocations

	// Garbage collector statistics.
	NextGC       string // next run in HeapAlloc time (bytes)
	LastGC       string // last run in absolute time (ns)
	PauseTotalNs string
	PauseNs      string // circular buffer of recent GC pause times, most recent at [(NumGC+255)%256]
	NumGC        uint32
}

func updateSystemStatus() {
	m := new(runtime.MemStats)
	runtime.ReadMemStats(m)
	sysStatus.NumGoroutine = runtime.NumGoroutine()

	sysStatus.MemAllocated = base.FileSize(int64(m.Alloc))
	sysStatus.MemTotal = base.FileSize(int64(m.TotalAlloc))
	sysStatus.MemSys = base.FileSize(int64(m.Sys))
	sysStatus.Lookups = m.Lookups
	sysStatus.MemMallocs = m.Mallocs
	sysStatus.MemFrees = m.Frees

	sysStatus.HeapAlloc = base.FileSize(int64(m.HeapAlloc))
	sysStatus.HeapSys = base.FileSize(int64(m.HeapSys))
	sysStatus.HeapIdle = base.FileSize(int64(m.HeapIdle))
	sysStatus.HeapInuse = base.FileSize(int64(m.HeapInuse))
	sysStatus.HeapReleased = base.FileSize(int64(m.HeapReleased))
	sysStatus.HeapObjects = m.HeapObjects

	sysStatus.StackInuse = base.FileSize(int64(m.StackInuse))
	sysStatus.StackSys = base.FileSize(int64(m.StackSys))
	sysStatus.MSpanInuse = base.FileSize(int64(m.MSpanInuse))
	sysStatus.MSpanSys = base.FileSize(int64(m.MSpanSys))
	sysStatus.MCacheInuse = base.FileSize(int64(m.MCacheInuse))
	sysStatus.MCacheSys = base.FileSize(int64(m.MCacheSys))
	sysStatus.BuckHashSys = base.FileSize(int64(m.BuckHashSys))
	sysStatus.GCSys = base.FileSize(int64(m.GCSys))
	sysStatus.OtherSys = base.FileSize(int64(m.OtherSys))

	sysStatus.NextGC = base.FileSize(int64(m.NextGC))
	sysStatus.LastGC = fmt.Sprintf("%.1fs", float64(time.Now().UnixNano()-int64(m.LastGC))/1000/1000/1000)
	sysStatus.PauseTotalNs = fmt.Sprintf("%.1fs", float64(m.PauseTotalNs/1000/1000/1000))
	sysStatus.PauseNs = fmt.Sprintf("%.3fs", float64(m.PauseNs[(m.NumGC+255)%256]/1000/1000/1000))
	sysStatus.NumGC = m.NumGC
}

func Dashboard(ctx *middleware.Context) {
	ctx.Data["Title"] = "Admin Dashboard"
	ctx.Data["PageIsDashboard"] = true
	ctx.Data["Stats"] = models.GetStatistic()
	updateSystemStatus()
	ctx.Data["SysStatus"] = sysStatus
	ctx.HTML(200, "admin/dashboard")
}

func Users(ctx *middleware.Context) {
	ctx.Data["Title"] = "User Management"
	ctx.Data["PageIsUsers"] = true

	var err error
	ctx.Data["Users"], err = models.GetUsers(100, 0)
	if err != nil {
		ctx.Handle(200, "admin.Users", err)
		return
	}
	ctx.HTML(200, "admin/users")
}

func Repositories(ctx *middleware.Context) {
	ctx.Data["Title"] = "Repository Management"
	ctx.Data["PageIsRepos"] = true

	var err error
	ctx.Data["Repos"], err = models.GetRepos(100, 0)
	if err != nil {
		ctx.Handle(200, "admin.Repositories", err)
		return
	}
	ctx.HTML(200, "admin/repos")
}

func Config(ctx *middleware.Context) {
	ctx.Data["Title"] = "Server Configuration"
	ctx.Data["PageIsConfig"] = true

	ctx.Data["AppUrl"] = base.AppUrl
	ctx.Data["Domain"] = base.Domain
	ctx.Data["RunUser"] = base.RunUser
	ctx.Data["RunMode"] = strings.Title(martini.Env)
	ctx.Data["RepoRootPath"] = base.RepoRootPath

	ctx.Data["Service"] = base.Service

	ctx.Data["DbCfg"] = models.DbCfg

	ctx.Data["MailerEnabled"] = false
	if base.MailService != nil {
		ctx.Data["MailerEnabled"] = true
		ctx.Data["Mailer"] = base.MailService
	}

	ctx.Data["CacheAdapter"] = base.CacheAdapter
	ctx.Data["CacheConfig"] = base.CacheConfig

	ctx.Data["PictureService"] = base.PictureService
	ctx.Data["PictureRootPath"] = base.PictureRootPath

	ctx.Data["LogMode"] = base.LogMode
	ctx.Data["LogConfig"] = base.LogConfig

	ctx.HTML(200, "admin/config")
}